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* lm8323/lm8333 keyboard drivers - drop or keep?
@ 2024-08-15 23:02 Dmitry Torokhov
  2024-08-15 23:30 ` Wolfram Sang
  0 siblings, 1 reply; 2+ messages in thread
From: Dmitry Torokhov @ 2024-08-15 23:02 UTC (permalink / raw)
  To: linux-input
  Cc: linux-kernel, Trilok Soni, Felipe Balbi, Tony Lindgren,
	Arnd Bergmann, wsa

Hi,

LM8323 and LM8333 keyboard drivers do not appear to be used anywhere,
they only support configuration via platform data and refuse to work
without it, and nothing in the mainline sets up said platform data.

LM8323 I think was used in Nokia N810, but despite presence of
arch/arm/boot/dts/omap2420-n810.dts the device is not mentioned there
and the driver has not been updated to support device tree.

Additionally LM8323 seems to be pretty broken as far as PWM/LED handling
is concerned (taking mutexes in set_brightness() which should not be
sleeping) which suggests that nobody ever used it (or at least not used
the version that is in mainline).

Should either of these drivers be dropped? Or if it should be kept -
why?

Thanks.

-- 
Dmitry

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: lm8323/lm8333 keyboard drivers - drop or keep?
  2024-08-15 23:02 lm8323/lm8333 keyboard drivers - drop or keep? Dmitry Torokhov
@ 2024-08-15 23:30 ` Wolfram Sang
  0 siblings, 0 replies; 2+ messages in thread
From: Wolfram Sang @ 2024-08-15 23:30 UTC (permalink / raw)
  To: Dmitry Torokhov
  Cc: linux-input, linux-kernel, Trilok Soni, Felipe Balbi,
	Tony Lindgren, Arnd Bergmann, wsa

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Hi Dmitry,

> Should either of these drivers be dropped? Or if it should be kept -
> why?

LM8333, that was a while ago! We definitely used the driver in a BSP,
back then at Pengutronix. I left the company shortly after and it seems
the board file was never upstreamed.

So, your call to remove it or not. Since the driver hasn't been
converted to DT yet, it probably never will. I agree to that.

Happy hacking,

   Wolfram


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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2024-08-15 23:02 lm8323/lm8333 keyboard drivers - drop or keep? Dmitry Torokhov
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